Home / 505,344,003.60-758,016,005.40-218,129,667.60

Finding the Fourth Proportional to 505,344,003.60, 758,016,005.40 and 218,129,667.60

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Solution

The fourth proportional to 505,344,003.60, 758,016,005.40 and 218,129,667.60 is: 327,194,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,344,003.60 : 758,016,005.40 = 218,129,667.60 : x
  2. Step 2: Convert to fraction form
    505,344,003.60/758,016,005.40 = 218,129,667.60/x
  3. Step 3: Cross multiply
    505,344,003.60x = 758,016,005.40 × 218,129,667.60
  4. Step 4: Simplify right side
    505,344,003.60x = 165,345,779,293,381,792
  5. Step 5: Solve for x
    x = 165,345,779,293,381,792/505,344,003.60
  6. Step 6: Final answer
    x = 327,194,501.40

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.